Avamar： AER — 卷标签失败 — 卷名称重复错误

已识别的症状

尝试从特定插槽重新标记磁带失败，并显示一条错误消息。

错误消息指示重复的卷名称。

错误消息详细信息

错误消息是 "Error: Duplicate volume name `VOLUMENAME'. Select a new name or remove the original volume."

root@AvaUtilityNode:~/#: nsrjb -L -j JukeboxName -vvvv -f /dev/tape/by-id/scsi-35001438016000b59-nst -S 71 -b "PoolName"
setting verbosity level to `4'
specified dev: /dev/tape/by-id/scsi-35001438016000b59-nst
check_shared_devs hw id:
check_shared_devs dev: /dev/tape/by-id/scsi-35001438016000b59-nst
check_shared_devs hw id:
check_shared_devs dev: /dev/tape/by-id/scsi-35001438016000b5f-nst
check_shared_devs returning: 1
Info: Skipping device `/dev/tape/by-id/scsi-35001438016000b5f-nst': Device is assigned to nsrmmd.
Info: Preparing to load volume `-' from slot 71 into device `/dev/tape/by-id/scsi-35001438016000b59-nst'.
Info: Loading volume `-' from slot `71' into device `/dev/tape/by-id/scsi-35001438016000b59-nst'.
Info: Load sleep for 5 seconds.
Info: Performing operation `Verify label' on device `/dev/tape/by-id/scsi-35001438016000b59-nst'.
Info: Operation `Verify label' in progress on device `/dev/tape/by-id/scsi-35001438016000b59-nst'
Info: Cannot read the current volume label: no tape label found
Info: nsrmmgd assumes the volume is unlabeled and will write a new label.
Info: Performing operation `Label without mount' on device `/dev/tape/by-id/scsi-35001438016000b59-nst'.
Info: Operation `Label without mount' in progress on device `/dev/tape/by-id/scsi-35001438016000b59-nst'
Info: Label: `VOLUMENAME', pool: `PoolName', capacity: `'.
Info: Performing operation `Eject' on device `/dev/tape/by-id/scsi-35001438016000b59-nst'.
Info: Operation `Eject' in progress on device `/dev/tape/by-id/scsi-35001438016000b59-nst'
Info: Eject sleep for 5 seconds.
Info: Preparing to unload volume `-' from device `/dev/tape/by-id/scsi-35001438016000b59-nst' to slot 71.
Info: Unloading volume `-' from device `/dev/tape/by-id/scsi-35001438016000b59-nst' to slot 71.
Info: Unload sleep for 5 seconds.
Error: Duplicate volume name `VOLUMENAME'. Select a new name or remove the original volume.
Jukebox operation finished with status: failed
15771:nsrjb: Jukebox command terminated with errors.

问题的根本原因

出现此问题的原因是先前的重新标记作无法读取磁带标签，从而导致重复的卷名条目。

当无法读取标签时，将磁带假定为空白，并删除介质数据库中的旧卷条目。

介质数据库可防止创建重复条目。如果数据库中已存在该卷的条目，则标记作将失败。

Error: Duplicate volume name `VOLUMENAME'. Select a new name or remove the original volume

解决重复卷名称错误

要解决重复卷名称错误，Avamar Extended Retention （AER） 管理员应在介质数据库中查询该卷标签下的任何存储集。确认该卷标下没有存储文件后，应在标记磁带之前手动删除旧的卷标条目。

首先，通过运行以下命令，检查介质数据库中是否不存在卷名称：

root@AvaUtilityNode:~/#: mminfo -avot -q volume=VOLUMENAME

确认介质数据库中不存在某个卷后，使用此命令删除该卷：

root@AvaUtilityNode:~/#: nsrmm -d VOLUMENAME
Delete file and media index entries for LTO Ultrium-5 tape VOLUMENAME? y

然后，使用此命令重试标记作，并使用以下语法。

where 
-f=tape_device_path ; -S=Slot_where_tape_is ; -b=Pool_Name ; "-vvvv=verbose level 4"; "-j=JukeboxName"; "-L=label operation

root@AvaUtilityNode:~/#: nsrjb -L -j JukeboxName -vvvv -f /dev/tape/by-id/scsi-35001438016000b59-nst -S 71 -b "PoolName"
setting verbosity level to `4'
specified dev: /dev/tape/by-id/scsi-35001438016000b59-nst
check_shared_devs hw id:
check_shared_devs dev: /dev/tape/by-id/scsi-35001438016000b59-nst
check_shared_devs hw id:
check_shared_devs dev: /dev/tape/by-id/scsi-35001438016000b5f-nst
check_shared_devs returning: 1
Info: Skipping device `/dev/tape/by-id/scsi-35001438016000b5f-nst': Device is assigned to nsrmmd.
Info: Preparing to load volume `-' from slot 71 into device `/dev/tape/by-id/scsi-35001438016000b59-nst'.
Info: Loading volume `-' from slot `71' into device `/dev/tape/by-id/scsi-35001438016000b59-nst'.
Info: Load sleep for 5 seconds.
Info: Performing operation `Verify label' on device `/dev/tape/by-id/scsi-35001438016000b59-nst'.
Info: Operation `Verify label' in progress on device `/dev/tape/by-id/scsi-35001438016000b59-nst'
Info: Cannot read the current volume label: no tape label found
Info: nsrmmgd assumes the volume is unlabeled and will write a new label.
Info: Performing operation `Label without mount' on device `/dev/tape/by-id/scsi-35001438016000b59-nst'.
Info: Operation `Label without mount' in progress on device `/dev/tape/by-id/scsi-35001438016000b59-nst'
Info: Label: `VOLUMENAME', pool: `PoolName', capacity: `'.
Info: Performing operation `Eject' on device `/dev/tape/by-id/scsi-35001438016000b59-nst'.
Info: Operation `Eject' in progress on device `/dev/tape/by-id/scsi-35001438016000b59-nst'
Info: Eject sleep for 5 seconds.
Info: Preparing to unload volume `VOLUMENAME' from device `/dev/tape/by-id/scsi-35001438016000b59-nst' to slot 71.
Info: Unloading volume `VOLUMENAME' from device `/dev/tape/by-id/scsi-35001438016000b59-nst' to slot 71.
Info: Unload sleep for 5 seconds.
Jukebox operation finished with status: succeeded

注意：如果对此流程的任何部分有任何疑问，请致电 [1-800-782-4362] 联系戴尔支持或访问 戴尔支持网站 以获得进一步的帮助。